Weather in Gwangju in September
September in Gwangju is mild with average temperatures around 20.7°C (69.3°F). Expect significant rainfall with 151mm across approximately 10 days.
Data Note: Temperature values are 2001–2020 satellite/reanalysis grid averages from NASA POWER and may differ from airport station normals by a few degrees.
Temperature
High
25.2°C
77.4°F
Low
16.3°C
61.3°F
Precipitation
151 mm
5.9 inches
~10 rainy days
Conditions
Humidity
84%
Comparison to Adjacent Months
September is 4.6°C cooler than August, 114mm drier than August.
September is 6.2°C warmer than October, 85mm wetter than October.